zero for answer in the first column, 1 for answers in the second column, 2 for answers in the third column, 3 for answers in the fourth column. The scoring of positive items is reversed. Possible range of score is zero to 60, with the higher scores indicating the presence of more symptomalogy.

Radloff, L.S. (1977). The CES-D scale: A self report depression scale for research in the general population. Applied Psychological Measurement 1: 385-401.